* on calling the interrupts, but we would like to call it off irq level
* so that the interrupt controller is clean.
*/
-void kexec_smp_down(void *arg)
+static void kexec_smp_down(void *arg)
{
if (ppc_md.kexec_cpu_down)
ppc_md.kexec_cpu_down(0, 1);
{
int my_cpu, i, notified=-1;
- smp_call_function(kexec_smp_down, NULL, 0, /* wait */0);
+ smp_call_function(kexec_smp_down, NULL, /* wait */0);
my_cpu = get_cpu();
/* check the others cpus are now down (via paca hw cpu id == -1) */
* We could use a smaller stack if we don't care about anything using
* current, but that audit has not been performed.
*/
-union thread_union kexec_stack
+static union thread_union kexec_stack
__attribute__((__section__(".data.init_task"))) = { };
/* Our assembly helper, in kexec_stub.S */
extern NORET_TYPE void kexec_sequence(void *newstack, unsigned long start,
void *image, void *control,
- void (*clear_all)(void)) ATTRIB_NORET;
+ void (*clear_all)(void),
+ unsigned long kdump_flag) ATTRIB_NORET;
/* too late to fail here */
void default_machine_kexec(struct kimage *image)
{
+ unsigned long kdump_flag = 0;
+
/* prepare control code if any */
/*
* using debugger IPI.
*/
- if (crashing_cpu == -1)
- kexec_prepare_cpus();
+ if (crashing_cpu == -1)
+ kexec_prepare_cpus();
+ else
+ kdump_flag = KDUMP_SIGNATURE;
/* switch to a staticly allocated stack. Based on irq stack code.
* XXX: the task struct will likely be invalid once we do the copy!
*/
kexec_sequence(&kexec_stack, image->start, image,
page_address(image->control_code_page),
- ppc_md.hpte_clear_all);
+ ppc_md.hpte_clear_all, kdump_flag);
/* NOTREACHED */
}
static void __init export_htab_values(void)
{
struct device_node *node;
+ struct property *prop;
node = of_find_node_by_path("/chosen");
if (!node)
return;
+ /* remove any stale propertys so ours can be found */
+ prop = of_find_property(node, kernel_end_prop.name, NULL);
+ if (prop)
+ prom_remove_property(node, prop);
+ prop = of_find_property(node, htab_base_prop.name, NULL);
+ if (prop)
+ prom_remove_property(node, prop);
+ prop = of_find_property(node, htab_size_prop.name, NULL);
+ if (prop)
+ prom_remove_property(node, prop);
+
+ /* information needed by userspace when using default_machine_kexec */
kernel_end = __pa(_end);
prom_add_property(node, &kernel_end_prop);